It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-affnrtp0t.mit-edu.top/post/5836741290

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-affnrtp0t.mit-edu.top",cType: 'managed',cRay: '90f3aa3e59b18203',cH: '5ZBEPkqXhsnvScPrBtNJNIrq5yVQF61p01qZkSVZf5k-1739102069-1.2.1.1-aOcJaGFkBwb58mc0Yg35PTgEUj9gsBgZa1dUeYcPvzBs7T3XEbqP_vamesyXb.HD',cUPMDTk: "\/post\/5836741290?__cf_chl_tk=oxg5w8FV7Gm7_vSv0GkqRFFt5CWAM_n5CK6o1P_Hdek-1739102069-1.0.1.1-VTuJoAqq23Rs1W_x5K50vhevNoflhekq7AJgUtBzFC4",cFPWv: 'g',cITimeS: '1739102069',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5836741290?__cf_chl_f_tk=oxg5w8FV7Gm7_vSv0GkqRFFt5CWAM_n5CK6o1P_Hdek-1739102069-1.0.1.1-VTuJoAqq23Rs1W_x5K50vhevNoflhekq7AJgUtBzFC4",md: "hA0q16YUZFn8pAO7uFqd8.hfVT7_AdB.DeJwWib8eGQ-1739102069-1.2.1.1-UqfL0jIxap6lzMUobgKyBYnR03RrF0Jz6xYC9_QeAVdaXcjqn7rIYnPX1_JnmOs6VVluLj1PXRWyc4wgDhweQOua90X6cKHcDfQFs2qzi26QIN10mSk7_OO1QMVmjzn9zaLf.iryCSakewqy828X2b.DC6kHdxk7RlQ5byOYdIhN7wRt4FlhNrpJtajhYStcLI2rGlRRvmEoSoaTq0kFkBSpmSB8YiUyYpQbg8IgBvrpGYkrRFQJWbXMsPxbYQNrt9v7jza3WJ2VMKnOr8.ip4TIQYhLE1bXQjoZHMqP4soOrQ080LHWVkdCklXNAkvbMRUJJSkb1rZcr13TSt9lo0_Cx9PlziOhLxZudNzTgxBxDJ9POg0MA1tTjwPW9mW6xYIUf2Av246UN5U4wxNiGgFn.9.CV2FIK4DPr5J.peaMQM1utJjHXIsd8QOuVdDcYtR8xnx4hxKSCCi6NDdoWfFtr3Fvhth80tsx3w9t56vhhHfDZN.0rUQVfNYq3dESlY5Pr55m607.t4U8C0K6fz7okJHuVjkMJvj_jhJpKiThLh7I6BAnuMB3cPDYlQuA54u8Xsa_p.volMlPy.KvNb3Szxoe3GR.34Jz6SZT22RUCg6qdoNnnoPan3roSxIwxxleSkPN9NSSYT8Jc0PN5VdQFfOvSm7pdeXyCkGknb6ytvz7ut_q0Ab3QRp64zJqt6GZoDaymVv8cKZZaB_FzblN8zqmDMWslY3qbAklob5MaaFQnt63mZ3dCHv25Ye11Jz_KcuuYlmolbG_Rzolnl2SPXWOLRN55RZOLi63zu0JlHOaqprvK0982HGkxxk.lxcn9bzrA6aOkkaHgR04Calxs0zb6ISGl66hDtdp1R1vsgjnS2AKPB_Qp4k499erLiD5GzrV.KXHNxMq8nOfw_aMDFapcfTJzlzmWedl79OdRYHqoOsA01bJc.VKQkkXaT5q74J9Cy992g.NRUBhsRz.u9guJXXL5lL9zxeoMC4ozvvLWhREBpMgON1A29K.qAhfkS2YyMU6UY03VoA8nyxr4IjAxgl3Bz0zdnMzRVrR9y9xvubyWAOfPZ0YuLvHS7ZlPPJoJ2NHgwCqmUfQryOAP2e_EhN2ep3DtnBdjs.i.r1pcGl1LpRsLo8tB_Y2CSwJWRRHaX91aKyXobxm7u0COOhyjyPfBOiZsLUc6Kk7NeMF0fIPHe4FicbSP0ypJtHcxbvVZ7ZfbpyUeaeei5rsxkwgkcWz5Q7f34PYlcwLom_lqMXRAA.oiDzBfspUELbdCkSOgNepyAYHlD9LdBVWm.cMpgPdoKUAuOcDcZZxiQJ5elJGpo8LHrOCOl88zLmXrrf4BWcxNrur2kzeKE9EdSErlNP28lt.cBjr.Y1UOaQAgWxoPBBXnZEmrfo2u1zKVbzrsOfJW1_iCTjxU9YgKktSSMxDQoPHWYgoUhntRLE3sOtRCzlMgHsc9fZRfjuVwKjXnqEoVdRi7YcWpkVctrfFFoFLyx_NhF1G2XQyCX_i3Fmcpk7ZOPRojWYEL.93WMZgZzmiSx1DQximzwVSD4mnXk0.lcSCspdkO9nzgGOdxgAJpCNyrOLes7M1Hx6nzK3WZ3JIBJRS8l4sf9aKq0LIXc4NxXo9UalUKkXswdAi.hQGvis.6sk6jrRoILHoNCGVOURHSpgIEsEUHa3Nd3G8K3L1UXvcgui9NSLm3PCZKPt379vMw8HunbhGKP2KhLqI9O381Z88CUnTVU8i2HM1_9Apq_a.h3xgopnl.YewgaoN2A5v1JqqOQ9HfFAHWd4QmT_WjuiJIGD50CkJrcNkQZE9FzIvTRvhYaIG0AToRzehNYdg7Sa._D6_47gDsJaojbGjbKAvzgfRalJRjvhj_SJ0F0J0NcxGtJ.JrahBFgcpM0cQQgfp1tnpmUAN42T3go7zXRdLzSiiXBk89q0kLxI6pJ39ASXvEg_J96XTL13ESY78NCYRfPzDIOu6MqYHnOnCvErGyMHYMBFcOhtDtyZWQ5qzmgygJU9734x9.v5x8oyJPXmWfJ_tSFSiGDwNxf97gOCqQYoleHQ8gVwH8aA9EAzwM8PxZBJysxRzTXanisgL3HAk8u_Skyn41lbGyCO2Dn_9GwQyFTkNYbfPQGVh1bxs31R4j_YGOWtMhwUQHviccDo7i84as7S0VHr11uavLAuyI.dfewXGDyIy552x7aaqU7v6.17opdAvZ_dIYOKuHZUMjzEo",mdrd: "YWVW2YdVHk5Zq_WpflWOYAAMudRbCjSO2OLl8UvK0LI-1739102069-1.2.1.1-I_11wZHXJMChT8IYGBu_F4rGbezh5J3GJW9q3tBkmj7z4_UvRT54P63eSH5klheF7Q3Q_vTiMzcU8G4wtmd.qw8rt0ezzXd6MccvKTP_WEHG_FzK4DsDp6MZy7sgpZ_P5loMpPwbG1q939S9T2yzSSkPSj4ZZ614bjVkYvH1jOeYf0nlTpI2t0As_jnTg3wlRvsVxNvG1nY3FBhIOiWgTLYixagu0OKA58wKSwF2hGjO10E6FcbKUNOVv4fqkXuygnA3iCja53GUNWG8qf7VqKUa88N1rRgpGhzKvifr9_7r7zBba3UCl7k8xQ4YaQi.YUhSU3qaQNyyjXZH_SA8cZU4jc0B1YEHuJBEd65K9MbDhvncHcV8uWVNhUsTG_YV.GI73QwDkQTNtmxGoSnAWzpZTJnWA2jZwG1RBbvJDa_FjI0rPG4.hZMxLXuOPM1khyS8YT3WAEyqq9jCOY6I96KSF46hGjGmjg09aqYPrgG5kXqmkhLdcEE22D7Oo0xNvpc18Irn6bsSPTqm3Co4GbW_WJcLaoaKEHP72wEXJRCxLEaImOZbuPfLaQLUH7jmxAnu3xuQPC38D1h_neObSDxvaJsRBv7CgaBsXsZBp978.Ug82Of6iTmWzZvHkCxvPd8dXzoDXRr6ftXamh4_4StbQBegA.PfTLlxDBg5g50UlI_wfTHDijm.eRgv0Z_5W.NHtOf6Y3gKDh_.o.zDDt1KyFzorh_Ksfx7eKjvJTemTWjtRL7bpPF7mYEpO0gxvarRGDbvun8slfIbcqHPDhbhXP_cY5qvrXEsHxJwtmOetS1GaqiyIjiEn_2RBBe8HJ5vq1C1Zxg.84.cKOCVtvDU6zAx4UZMqa2xUsNVN9__K3Hl4cyeUoORo7Wm5ArpZeOW9GqNF67HWKKc943c19Tv0lNKwd9r2WYu5wY7IVVJLASkJt61Srbs2syQCch7W6zL5hJ_EsZbOOcT6ijg9Wvr9N.3N.dGahRb1ux_s2MNqt3hA8yNiKhHIdYM9ioWl0hmmInFRcX7wHCwPIaKO6sCbJxt9aKAL7gxHt35mphP1youMz0ssvwQRspXncRFVLI0BnvqTGE0Wv5FA.Ft58.bdrRtfNZlZtXVnx_yBg5AGBdPJyAn9VwrfeMEH5fwNJ7Hp_U_OC4g46rfP4DorVVBngenzC0QJex4YmmeXwzVG8_lk7NI.hV3b7N1oGcy.WjUg0LufuQcuqqkjEM4eXS0wofO6jD1zRfGnRP4PtabK6Sbt1iHGGUwl5nQ7X61xilXTBfosm0B2xJUkZY9CYwYGMT1UkjxUWt0f35KUFxrc6x7Hfc4vyKl2SC8krboZFGO.6j77B3H.LMPXX3uJY_JB8wFuKgFWY3_VT87JOG2bz1an0zqAkJZoGCK3rSKLqi858tCfXuIg.umJ56RoYA73y_Nu6b8KQCYku3O3r_W9GnCpQN5lcA8CeE7xHFLX1WggPAvlFklF4Ohlc49dihdTEpZQXbPbnjE47c9rWugBJbOZ1xDAd9oNOAc7yGT9GXOg8a1b.kTryWlQ4gqQ.xt0YoUYAiHTilddBtjaH.ywfzLTi2slBaA7Vcvrr6vnbgot28eVnR_ekr0ZXjHmxt87T9HgJD5VonIuOQEoxnH1.79htdSo5NnptL8NbGxm_3etlmr9SSsLOrO8qmEzAjeIcp5rPANwWu2IohirTBQARWd8I60GW407ipjcRGYL4xjtEbSw0g1chyqJKYnzDJElhKWolbcGfECSS3ywRxOMDqIdGVp3rbq8rGfffL06fB1XDCUTAYcnE5IGYo3vGzapYCC6N6zUKRZMrKviSU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3aa3e59b18203';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/5836741290?__cf_chl_rt_tk=oxg5w8FV7Gm7_vSv0GkqRFFt5CWAM_n5CK6o1P_Hdek-1739102069-1.0.1.1-VTuJoAqq23Rs1W_x5K50vhevNoflhekq7AJgUtBzFC4" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda